I believe that it does not actually change the y scale of the first
axes, but simply the
y tickmarks of the second axes gets visible again. It seems to me a
bug, though. Anyhow, I guess inserting following line after
ax2.set_yscale("log") should solve your problem.
ax2.yaxis.tick_right()
-JJ
On Wed, Feb 18, 2009 at 11:21 AM, marcusantonius
<markus.hai...@student.uibk.ac.at> wrote:
>
> Hi everybody,
>
> I want to include different data into one plot using a common xaxis but two
> yaxis. One of these axis should be log scaled. The problem is, that this
> automatically changes the scaling (or just the ticks) of first yaxis, which
> should be linear to log. I assume this is a bug, but its also possible that
> I didn't understand how to do it. Here my code:
>
> fig=figure()
> ax1=fig.add_subplot(111)
> p1=ax1.plot(A0,data[:,11])
> ax1.set_yscale('linear')
> setp(p1,color='blue',ms=3.0,marker='.',alpha=1.,ls='')
> ylim(ymax=1.1)
> xlabel(r'$m_{16} \ (\mathrm{GeV})$')
> ylabel(r'$R$')
> #savefig('p30.pdf')
> ax2=ax1.twinx()
> p2=ax2.plot(A0,data[:,33])
> ax2.set_yscale('log')
> ax1.set_yscale('linear')
> ylim(ymax=10)
> axhline(y=0.136, xmin=0., xmax=1, color='black',ls=':')
> axhline(y=0.094, xmin=0., xmax=1, color='black',ls=':')
> setp(p2,color='orange',ms=3.0,marker='.',alpha=0.3,ls='')
> savefig('p33.png')
> clf()
>
> Thanks for your help
> --
> View this message in context:
> http://www.nabble.com/Two-y-axis-with-twinx%2C-only-one-of-them-logscale-tp22082290p22082290.html
> Sent from the matplotlib - users mailing list archive at Nabble.com.
>
>
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